Fix burp issues that don't have a req/resp pair
Fix burp issues that don't have a req/resp pair

Some burp issues don't have a request/response pair , for example OS Command Injection with a timeout will only have a request and not a response .
OWASP/django-DefectDojo,rackerlabs/django-DefectDojo,OWASP/django-DefectDojo,rackerlabs/django-DefectDojo,OWASP/django-DefectDojo,OWASP/django-DefectDojo,OWASP/django-DefectDojo,rackerlabs/django-DefectDojo,rackerlabs/django-DefectDojo